HCIP-Big Data Developer V2.0 (H13-723_V2.0) Free Practice Test

Question 1

forHBase rowkeyThe design principles described below are correct? (multiple choice)

A. The attribute value with good dispersion is placed inRowkeyfirst half

B. Attribute values with high port access weights are placed inRowKeyFront

C. Attribute values with high port access weights are placed inRowkeysecond half

D. The attribute value with good dispersion is placed inRowkeysecond half

Correct Answer: A,B

Question 2

FusionInsight ManagerRegarding the management operations of services, which of the following statements is wrong?

A. Uncommon services can be set to hide or show

B. Can start, stop and restart the service

C. Can view the current status of the service

D. Services can be added and uninstalled.

Correct Answer: A

Question 3

existFusionInsight HDproductSolrDuring application development, you canSolr Admin UIrightCollectionDo some verification.
Below aboutSolr Admin UIIs the statement correct? (multiple choice)

A. clickCloud, see eachCollectionunder eachShardReplicadistribution and status

B. enter aCollectionofShard ReplicaofCore Overviewinterface, you can view theReplicaIndex the actual document Number of bars, storage size and location information

C. Solruser group,Solr adminrole andSuper groupof users have access toSolr Admin UI

D. clickClouddownTree,CheckSolr CloudmiddleCollections, a configuration set, andlive_nodesand other metadata information

Correct Answer: A,B,C,D

Question 4

HDFSmiddleNameNodeUsed to store metadata for the file system.

A. False

B. True

Correct Answer: B

Question 5

Regarding the Hive service of the FusionInsight HD platform and its WebHCat development interface, the following description does not the correct one is

A. You can create tables, query and other operations through WebHCat

B. Support for REST-based query requests

C. The returned data format of WebHCat is XML

D. WebHCat provides external services based on HTTP and HTTPS protocols

Correct Answer: C

Question 6

HDFSRuntime,(NameNodeAt startup,)NameNodewill file system metadata from The disk is all loaded into memory, so the total number of files that the file system can store is limited byNameNodeof memory capacity.

A. False

B. True

Correct Answer: B

Question 7

existKafka, as follows aboutProducerWhat is wrong with the statement of sending data? (multiple choice)

A. Producercan either send data toBroker, and can send data toConsumersuperiorProducer

B. ProducerResponsible for production data,Consumerresponsible for consuming data,ProducerandConsumerneed between EstablishSocketconnect

C. As a message producer, you can directly write data toZooKeeper
mouthProducerconnect any normalBrokerInstances can produce data

Correct Answer: A,B

Question 8

FusionInsight HDmiddle,HiveWhich of the following parameters of the client is used to controlreduceConcurrency? (multiple choice)

A. hive.exec.reducers.max

B. hive.exec.reducers.bytes.per.reducer

C. hive.exec.max.dynamic.partitions.pernode

D. hive.exec.max.dynamic.partitions

Correct Answer: A,B

Question 9

writingMapReduceWhich two interfaces are usually required to be implemented by developers?

A. mapandcombine

B. reduceandcombine

C. combineandsort

D. mapandreduce

Correct Answer: D

Question 10

existMapReduceDuring application development,setMapOutputCompressorClassWhat is the role of classes?

A. set upmapinput compression method

B. set upmapHow the output is delivered

C. set upmapoutput compression method

D. set upreduceoutput compression method

Correct Answer: C

Welcome to TestSimulate

Huawei HCIP-Big Data Developer V2.0 (H13-723_V2.0) Free Practice Test